HOME >> BIOLOGY >> NEWS
DNA evidence suggests 3 types of elephants roam Africa

Using DNA extracted from the dung of wild elephants in Africa, biologists at the University of California, San Diego have determined that three different types of elephants exist on the African continent.

Their discovery, detailed in a paper to be published in the October 7 issue of the Proceedings of the Royal Society, Series B, affirms the existence of the well-known savanna elephant and the recently recognized forest elephant of central Africa. But it also suggests that the elephants of west Africa, which live in both the forest and savanna, represent a third, genetically distinct population that has been diverging from the other two groups for some two million years.

Biologists and conservationists now widely accept the designation of two species of elephants: Asian and African. The UCSD discovery could, if confirmed by additional genetic evidence, split the African group into three distinct species or subspecies.

"This discovery is important, because the west African elephants are threatened with extinction as a result of human activities," says David S. Woodruff, a professor of biology and chair of the Ecology, Behavior and Evolution Section of UCSD's Division of Biological Sciences. "If these findings are confirmed, zoologists and conservation managers will need to recognize three different species of African elephants, all of which need protection because their numbers are declining."

"Knowing that forest elephants are very different genetically from savanna elephants means that overpopulation in some southern African savanna parks should not lead to a relaxation of the protection for elephants elsewhere, especially in the forests," says Lori S. Eggert, the first author of the paper and a postdoctoral researcher at the Smithsonian Institution's National Museum of Natural History. "These populations are not exchangeable, either ecologically or genetically."

Eggert traveled to Africa to collect her samples while working as a docto
'"/>

Contact: Kim Mcdonald
kimmcdonald@ucsd.edu
858-534-7572
University of California - San Diego
12-Sep-2002


Page: 1 2 3 4

Related biology news :

1. New evidence of radiation risk in childhood leukaemia
2. Oldest evidence for processing of wild cereals: starch grains from barley, wheat, on grinding stone
3. Earliest evidence of hereditary genetic disorder discovered by Hebrew University researchers
4. Study finds first evidence COX-2 enzymes can regulate DNA damage
5. Researchers find evidence that sea turtles navigate with magnetic maps
6. Researchers report definitive evidence that HIV-AIDS is not from oral polio vaccine
7. Oldest known evidence of cat taming found in Cyprus, researchers report in Science
8. More evidence of major global extinctions
9. New evidence points to pollution as main cause of much coral reef destruction
10. New evidence suggests that monkey thought extinct still exists
11. Earliest evidence of humans affecting aquatic ecology in Canada, United States

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:6/9/2016)... -- Perkotek an innovation leader in attendance control systems is proud to announce the introduction ... to make sure the right employees are actually signing in, and to even control ... ... ... ...
(Date:6/2/2016)... June 2, 2016 The Department of ... awarded the 44 million US Dollar project, for the ... Plates including Personalization, Enrolment, and IT Infrastructure , ... the production and implementation of Identity Management Solutions. Numerous renowned ... Decatur was selected for the most ...
(Date:5/24/2016)... Calif. , May 24, 2016 Ampronix facilitates superior patient care by ... LMD3251MT  3D medical LCD display is the latest premium product recently added to the ... ... ... Sony 3d Imaging- LCD Medical Display- Ampronix News ...
Breaking Biology News(10 mins):
(Date:6/23/2016)... ... June 23, 2016 , ... ... launch of the Supplyframe Design Lab . Located in Pasadena, Calif., the ... future of how hardware projects are designed, built and brought to market. , ...
(Date:6/23/2016)... , June 23, 2016 Apellis Pharmaceuticals, ... 1 clinical trials of its complement C3 inhibitor, ... and multiple ascending dose studies designed to assess ... of subcutaneous injection in healthy adult volunteers. ... either as a single dose (ranging from 45 ...
(Date:6/23/2016)... On Wednesday, June 22, 2016, the NASDAQ Composite ... Jones Industrial Average edged 0.27% lower to finish at 17,780.83; ... has initiated coverage on the following equities: Infinity Pharmaceuticals Inc. ... NKTR ), Aralez Pharmaceuticals Inc. (NASDAQ: ARLZ ), ... more about these stocks by accessing their free trade alerts ...
(Date:6/23/2016)... ... June 23, 2016 , ... Velocity Products, ... tools designed, tuned and optimized exclusively for Okuma CNC machining centers at The ... of a collaboration among several companies with expertise in toolholding, cutting tools, machining ...
Breaking Biology Technology:
Cached News: